the u.s. anti-doping agency stripped armstrong of his seven tour de france titles and banned him from the sport for life. livestrong says armstrong is the charity's biggest donor so far giving $7 million over the years. >> looked like a war zone. >> the whole house shook. things falling off the walls. martha: boy, what happened, a massive explosion rocks an indianapolis neighborhood over the weekend. at least two people were killed when this home, in this middle class neighborhood burst into flames and then ignited a huge fire. look at these pictures! by morning, more than 80 homes, 80, were either damaged or destroyed. neighbors say the blast could be felt for miles away. >> sitting watching tv. next thing you know, this loud explosion. the whole house shook, things falling off the because. we got up, ran around and looked around, insulation is falling like snow. next thing we know we saw smoke. my son, nephew and i ran over. the house was gone. it was in the middle of the neighborhood, house